Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282147 | Dispersion of aromatic isocyanatosulfonic acid uretdiones in organic polyisocyanates and a process for their preparation | — | 1981-08-04 |
| 4279832 | Process for the production of isocyanatoaryl sulfonic acids | — | 1981-07-21 |
| 4276404 | Process for the production of inorganic-organic synthetic materials | Hans-Joachim Scholl, Peter H. Markusch | 1981-06-30 |
| 4276044 | Water-soluble, ultra-filtrable polyurethane anionomers and the use thereof as sizes in the textile industry | — | 1981-06-30 |
| 4238378 | Cationic electrolyte-stable dispersions and process for producing polyurethanes useful therein | Peter H. Markusch, Klaus Noll | 1980-12-09 |
| 4237250 | Polyurethanes containing aryl sulfonic acid alkyl ester groups | — | 1980-12-02 |
| 4225532 | Stabilized preparations of aromatic isocyanatosulphonic acids | — | 1980-09-30 |
| 4224418 | Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups | Gerhard Balle, Hans G. Schmelzer | 1980-09-23 |
| 4211850 | Polyhydroxy compounds containing urethane aryl sulfonic acid hydroxyalkyl ester groups | — | 1980-07-08 |
| 4211683 | Process for the preparation of aqueous dispersions of polyurethanes | Wolfgang Wenzel | 1980-07-08 |
| 4201852 | Polyurethanes based on modified polyisocyanates containing sulphonic acid ester groups and process for the production thereof | — | 1980-05-06 |
| 4198487 | Process for the production of inorganic-organic synthetic foam materials | Hans-Joachim Scholl, Peter H. Markusch, Rainer Welte | 1980-04-15 |
| 4194035 | Modified polyisocyanates containing sulfonic acid ester groups | — | 1980-03-18 |
| 4192938 | Modified polyisocyanates containing sulfonic acid ester groups | — | 1980-03-11 |
| 4190459 | Process for the production of mineral fiber mats | Rainer Welte, Peter H. Markusch, Werner Dietrich | 1980-02-26 |
| 4189562 | Polyhydroxy compounds containing urethane aryl sulfonic acid hydroxyalkyl ester groups | — | 1980-02-19 |
| 4187074 | Water-soluble cationic oligourethane resins and the use thereof for the treatment of pelts or leather | Harro Traubel, Helga Heinze | 1980-02-05 |
| 4186118 | Process for the preparation of modified aqueous synthetic resin dispersions | Artur Reischl, Wolfgang Wenzel | 1980-01-29 |